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Finding the Fourth Proportional to 92,926.65, 139,387.69 and 26,366.88

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Solution

The fourth proportional to 92,926.65, 139,387.69 and 26,366.88 is: 39,549.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,926.65 : 139,387.69 = 26,366.88 : x
  2. Step 2: Convert to fraction form
    92,926.65/139,387.69 = 26,366.88/x
  3. Step 3: Cross multiply
    92,926.65x = 139,387.69 × 26,366.88
  4. Step 4: Simplify right side
    92,926.65x = 3,675,218,495.71
  5. Step 5: Solve for x
    x = 3,675,218,495.71/92,926.65
  6. Step 6: Final answer
    x = 39,549.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.